What the Heck Is kefalonia?

https://nanohub.org/members/245995/blog/2019/07/5-qualities-the-best-people-in-the-ionian-island-of-kefalonia-industry-tend-to-have

If you see Ionian Sea from above, you will certainly find a gleaming location. This will be Kefalonia. If you focus a bit, your vision will be caught by an oasis called Lassi. Thalassa Shop Hotel is right there